Delay difference equations: coexistence of oscillatory and nonoscillatory solutions
          Agarwal, R.P.; Bohner, M.; Ferreira, J.M.; Pinelas, Sandra  
          
          Analysis, 33 (2013), 333-348  
          http://dx.doi.org/10.1524/anly.2013.1226  
           
          The aim of this work is to study the coexistence of oscillatory and nonoscillatory solutions of a certain scalar delay difference equation.  
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